John 1:20
He confessed, and did not deny, but he confessed, "I am not the Messiah."
Matthew 3:11-12
I indeed baptize you in water for repentance, but the one who comes after me is mightier than I, whose shoes I am not worthy to carry. He will baptize you in the Holy Spirit and with fire.
Mark 1:7-8
And he preached, saying, "After me comes he who is mightier than I, the strap of whose sandals I am not worthy to stoop down and loosen.
Luke 3:15-17
As the people were in expectation, and all men reasoned in their hearts concerning John, whether perhaps he was the Messiah,
John 3:28-36
You yourselves bear me witness that I said, 'I am not the Messiah,' but, 'I have been sent before him.'